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Scholarly Commons > HCA Healthcare Journal > Vol. 4 > Iss. 3 (2023)

 

Keywords

keratosis; dermatitis; nevoid hyperkeratosis of the nipple and areola; NHKNA; erosive papulonodular dermatitis; peristomal dermatoses; pseudoverrucous papules and plaques

Disciplines

Dermatology | Pathology | Skin and Connective Tissue Diseases

Abstract

Introduction

Nevoid hyperkeratosis of the nipple and areola (NHKNA) is a rare cutaneous entity with a distinct clinical and histological presentation. The type II form of this condition can result from various dermatoses, such as irritant contact dermatitis. Erosive papulonodular dermatitis is a chronic irritant dermatitis that often occurs in areas of occlusion and maceration, such as peristomal skin. Pseudoverrucous papules and nodules are a variant of erosive papulonodular dermatitis and have a non-specific histologic pattern of reactive hyperplasia.

Case Presentation

We present a case of a patient with resolved peristomal erosive papulonodular dermatitis who presented status-post ileostomy reversal with clinical and histologic findings classically seen in NHKNA.

Conclusion

In type II NHKNA, treatment of the primary dermatosis typically leads to resolutions. In the case of our patient, removal of the offending agent via colostomy reversal and barrier protection led to the resolution of the lesions.

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